USN-1716-1: gnome-screensaver vulnerability

Ubuntu Security Notice USN-1716-1

gnome-screensaver vulnerability

A security issue affects these releases of Ubuntu and its
derivatives:

Ubuntu 12.10

Summary

gnome-screensaver would allow unintended access to the user session.

Software description

gnome-screensaver
- GNOME screen saver and locker

Details

It was discovered that gnome-screensaver did not start automatically afterlogging in. This may result in the screen not being automatically lockedafter the inactivity timeout is reached, permitting an attacker withphysical access to gain access to an unlocked session.

Update instructions

The problem can be corrected by updating your system to the following
package version: